Kopernicium (Cn)

chemical element with atomic number 112

Atomic Number	112
Atomic Weight	285
Massagetal	276

Group	12
Period	7
Block	d

proton	112 p⁺
neutron	164 n⁰
elektron	112 e^-

Physical Property

Atoomradius
molar volume
Covalent Radius	122 pm 137 pm 130 pm
Metallic Radius
Ioonradius
Crystal Radius
Van der Waals radius
density	14 g/cm³

Chemical Property

energie

proton affinity
electron affinity
ionization energy
Verdampingswarmte
smeltingswarmte
Vormingsentalpie
elektron

Elektronskil	2, 8, 18, 32, 32, 18, 2

Valenselektrone	2 ⓘ

elektronkonfigurasie	[Rn] 5f¹⁴ 6d¹⁰ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹⁰ 7s²

Oksidasietoestand	2
Elektronegatiwiteit
Electrophilicity Index
fundamental state of matter

phase of matter	Liquid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
kleur	Colorless
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Geleidingsvermoë
Elektriese resistiwiteit
superconductivity
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
mechanical property
hardness
Massamodulus
Skuifmodulus
Young se modulus
Poisson se verhouding
Spoed van klank
classification
Category	Transition metals, Transition metals
CAS Group	IIB
IUPAC Group	IIB
Glawe Number
Mendeleev Number	80
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	28 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	1S0
Ruimtegroep	()

Isotopes of Copernicium

Stable Isotopes	0
Unstable Isotopes	13
Natural Isotopes	0

²⁷⁶Cn

Massagetal	276
neutron number	164
Relative Atomic Mass	276,161418 ± 0,000537 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁷Cn

Massagetal	277
neutron number	165
Relative Atomic Mass	277,163535 ± 0,000165 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	790 ± 330 us
spin
nuclear quadrupole moment
ontdekkingsdatum	1996
parity

decay mode	intensity
α (α emission)	100%

²⁷⁸Cn

Massagetal	278
neutron number	166
Relative Atomic Mass	278,164083 ± 0,00047 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁹Cn

Massagetal	279
neutron number	167
Relative Atomic Mass	279,166422 ± 0,000424 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸⁰Cn

Massagetal	280
neutron number	168
Relative Atomic Mass	280,167102 ± 0,000626 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸¹Cn

Massagetal	281
neutron number	169
Relative Atomic Mass	281,169563 ± 0,000427 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	180 ± 80 ms
spin
nuclear quadrupole moment
ontdekkingsdatum	2010
parity

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸²Cn

Massagetal	282
neutron number	170
Relative Atomic Mass	282,170507 ± 0,000588 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,1 ± 0,3 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2004
parity	+

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁸³Cn

Massagetal	283
neutron number	171
Relative Atomic Mass	283,173202 ± 0,00066 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,7 ± 0,8 s
spin
nuclear quadrupole moment
ontdekkingsdatum	2004
parity

decay mode	intensity
α (α emission)	81%
SF (spontaneous fission)	19%

²⁸⁴Cn

Massagetal	284
neutron number	172
Relative Atomic Mass	284,17436 ± 0,000819 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	102 ± 17 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2004
parity	+

decay mode	intensity
SF (spontaneous fission)	100%

²⁸⁵Cn

Massagetal	285
neutron number	173
Relative Atomic Mass	285,177227 ± 0,000544 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	30 ± 8 s
spin
nuclear quadrupole moment
ontdekkingsdatum	2004
parity

decay mode	intensity
α (α emission)	100%

²⁸⁶Cn

Massagetal	286
neutron number	174
Relative Atomic Mass	286,178691 ± 0,000751 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	30 ± 30 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2016
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸⁷Cn

Massagetal	287
neutron number	175
Relative Atomic Mass	287,181826 ± 0,000751 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸⁸Cn

Massagetal	288
neutron number	176
Relative Atomic Mass	288,183501 ± 0,000751 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum
parity	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

geskiedenis

Ontdek deur	GSI Helmholtz Centre for Heavy Ion Research
ligging van ontdekking	Germany
ontdekkingsdatum	1996
etimologie	Named in honor of the astronomer Nicolaus Copernicus.
uitspraak

source

Abundance
Abundance in Earth's crust
natural abundance (oseaan)
natural abundance (human body)	0 %
natural abundance (Meteoroïde)	0 %
natural abundance (Son)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Kopernicium on ChemicalAid

Australian Educational Vocabulary ID	scot/3590
CAS Registry Number	54084-26-3
ChEBI ID	33517
Den Store Danske ID	copernicium
Encyclopedia of China ID (Second Edition)	249670
Encyclopædia Britannica Online ID	science/copernicium
Freebase-kode	/m/025t_2_
French Vikidia ID	Copernicium
GND ID	7550255-0
Gran Enciclopèdia Catalana ID	0251476
Great Russian Encyclopedia Online ID	3287431
KBpedia ID	Copernicium
NE.se ID	ununbium
NE.se ID	copernicium
OmegaWiki Defined Meaning	368710
Store norske leksikon ID	copernicium
USGS Thesaurus ID	1604

Kopernicium (Cn)

Physical Property

Chemical Property

other

Isotopes of Copernicium

276Cn

277Cn

278Cn

279Cn

280Cn

281Cn

282Cn

283Cn

284Cn

285Cn

286Cn

287Cn

288Cn

geskiedenis

source

Nuclear Screening Constants

²⁷⁶Cn

²⁷⁷Cn

²⁷⁸Cn

²⁷⁹Cn

²⁸⁰Cn

²⁸¹Cn

²⁸²Cn

²⁸³Cn

²⁸⁴Cn

²⁸⁵Cn

²⁸⁶Cn

²⁸⁷Cn

²⁸⁸Cn